151 to 175 of 323 Python Jobs in the City of London

displace outsourced delivery with in-house AI capability WHO YOU ARE Essential: Hands-on production experience with Claude, OpenAI, or similar LLM APIs Strong Python engineering (API design, data pipelines, cloud-native development) Azure experience preferred Security and governance awareness (prompt injection, data boundaries, RBAC) End-to-end ownership mindset ...

useful, but we care more about curiosity, problem-solving ability and evidence that you can build useful things. Experience with tools like ChatGPT, Claude, Python, APIs, Zapier, Make, Airtable, Notion, n8n, SQL or dashboards would be a bonus. This is a great opportunity for someone early in their career ...

engineering requirements, ensuring seamless delivery to the front office Your background: Deep understanding of schemas, data modelling principles, query optimisation - working understanding of SQL & Python will be important Demonstrated experience in stakeholder management with front office - comfortable acting as the bridge between developers/engineers & traders Extensive experience working with ...

doing: Building a product from 0 to 1 alongside the founders Designing and developing full stack applications using modern JavaScript and Python/Node.js ecosystems Building AI powered workflows and intelligent data processing systems Working directly with customers to understand problems and shape solutions Making key architectural decisions that will ...

business. Headquartered in London, they operate at the intersection of systematic trading, machine learning, large-scale distributed compute, and performance engineering. Despite C# and Python being their core stack, the firm is deliberately language-agnostic, prioritising deep systems understanding, strong programming fundamentals and problem-solving over any particular stack. They ...

organisation. What They’re Looking For Degree in a quantitative or technical field (e.g. Computer Science, AI, Mathematics, Statistics, Physics, Engineering) Strong Python skills with experience building machine learning models and scalable algorithms Proven experience working with large, complex datasets to optimise performance and decision-making Commercial experience applying data ...

production deployment. Explore and apply advanced retrieval approaches, including Graph-RAG and structured knowledge representation, where they deliver clear value. Required Skills & Experience Strong Python proficiency for production-grade AI development, with hands-on experience across LlamaIndex, LangChain, and LangGraph. Proven track record building Retrieval-Augmented Generation (RAG) systems; Graph ...

Strong experience with C++ ( C++17 ). Large Codebases: Comfortable working in large, shared environments with a robust team of developers. The Ecosystem: Familiarity with Python (used for testing and validation), Git for source control. The Math: Ability to understand and reconcile complex mathematical formulas and financial algorithms. The Domain: Solid ...

calculations and apply them effectively to large data sets. A strong overall understanding of data sources and report migration. Nice-to-Haves: Experience with Python, Hadoop, SAAS, or Databricks is considered a bonus. About Barclays Barclays is a British universal bank. It is diversified by business, by different types ...

Automate. Data Management/Data Exchange/FDMEE. Groovy scripting. REST APIs and SOAP APIs. SQL for data querying, validation and issue investigation. Python or PowerShell scripting for automation. Oracle Cloud Infrastructure and cloud security best practices. EDMCS or other Oracle EPM metadata management tools. Oracle EPM Cloud certification, especially ...

Automate. Data Management/Data Exchange/FDMEE. Groovy scripting. REST APIs and SOAP APIs. SQL for data querying, validation and issue investigation. Python or PowerShell scripting for automation. Oracle Cloud Infrastructure and cloud security best practices. EDMCS or other Oracle EPM metadata management tools. Oracle EPM Cloud certification, especially ...

institutional clients. Network: The ability to bring (within contractual limitations), their own client relationships. Skills that enhance consideration Programming Aptitude: Proficiency and familiarity in Python and R for large-scale data modeling. Technology and Execution: Experience with using and/or developing algorithms for trading and execution Data Architecture: Sufficient ...

with large-scale data environments), and large-scale data platforms (e.g. BigQuery, Teradata, Databricks); nice-to-have experience with customer segmentation and personalisation frameworks, Python or similar tools for advanced analysis or experimentation, and working in multi-market/international environments. Personal attributes : Highly proactive with a strong sense ...

with large-scale data environments), and large-scale data platforms (e.g. BigQuery, Teradata, Databricks); nice-to-have experience with customer segmentation and personalisation frameworks, Python or similar tools for advanced analysis or experimentation, and working in multi-market/international environments. Personal attributes : Highly proactive with a strong sense ...

APIs (OpenAI, Anthropic, Google Vertex AI, or equivalent) and a working understanding of embeddings, semantic search, and token-based context management. Comfortable reading Python code or notebooks (most AI libraries are Python-first); ability to translate patterns into robust Java implementations and guide others in doing so. Active, fluent ...

cloud-native engineering practices. Key Skills: AI & GenAI: LLMs, RAG, Agents, LangChain, LangGraph, CrewAI, Vercel AI SDK, OpenAI, Anthropic, Mistral, Llama. Full Stack Engineering: Python, TypeScript, React, APIs, Microservices, FastAPI. Cloud & DevOps: AWS/Azure, Docker, Kubernetes, Terraform, CI/CD. Data & Vector Search: PostgreSQL, MongoDB, Pinecone, Qdrant, ChromaDB, PGVector. … Grow your skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI ...

Python AI Engineer with Databricks exposure Overview We are looking for a Python AI Engineer (with Databricks exposure) with hands-on experience in Generative AI, backend development, and database-driven applications. The role involves designing and building AI-enabled applications, developing APIs and services to deploy AI models, and integrating … Collaborate with data engineers, product teams, and domain experts to build production-grade AI solutions. Required Technical Skills • 7+ years of experience as a Python developer which atleast the last 3+ years have been on AI/GenAI solutions • GenAI/AI development experience: LLM applications, AI workflows ...

full-stack software engineering, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java/Kotlin Python C#/.NET Full stack JavaScript (Express, React, Node.js etc.) We expect you to have deep experience in at least one of the above; you will … Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development: Advanced knowledge of multiple programming languages and frameworks (e.g. .NET, React, Python). CI/CD and Automation: Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing: Experience with ...

paying up to £2000 per day, depending on experience. Outside IR35 Experience and skills required for the Robotics Agentic AI Engineer, Agentic AI, Robotics, Python Proven expertise in designing agent architectures using hierarchical or graph-based frameworks (e click apply for full job details ...

Lead Backend Engineer Climate Tech Nonprofit £90-£95k per year London Hybrid 2 days in London/3 remote Python FastAPI PostgreSQL GCP Docker Terraform Climate impact Energy-system modelling Backed by major philanthropic funders Im working with a climate-tech nonprofit building software that helps countries plan cleaner, more ...

join a top-performing quantitative hedge fund within a highly collaborative and technology-driven environment, working with large-scale financial and alternative datasets. Stack: Python, Pandas, NumPy, SQL Please apply if interested in learning more. ...

Engineering, Operations Research, Computer Science and Physics from a top University. Required Skills Programming proficiency with at least one major programming or scripting language (Python, C++, and R). Strong communication skills and ability to work well with colleagues across multiple regions. Ability to perform well under pressure. Detail orientated. ...

from discovery through to production Influence product direction in a fast-moving, high-ownership environment Skills/Experience Strong commercial experience with TypeScript, React & Python Experience building AI-powered products using LLMs or AI APIs A proven track record in a high-growth start-up or scale-up Backgrounds from ...

from discovery through to production Influence product direction in a fast-moving, high-ownership environment Skills/Experience Strong commercial experience with TypeScript, React & Python Experience building AI-powered products using LLMs or AI APIs A proven track record in a high-growth start-up or scale-up Backgrounds from ...

knowledge, skills, and professional behaviour Guide project-based learning: coding, data analysis, visualisation, AI adoption, automation, and modern digital workflow Provide targeted teaching in Python, APIs, data prep/analysis, dashboards, and low/no‐code tool Conduct progress reviews, professional discussions, formative assessments, and portfolio alignment to End-Point ...